Table 2.

Summary of hydrogen bond interactions in PBP3–β‐lactam AECs and deacylated product complexes

Inhibitor	Hydrogen bonds (≤ 3.2 Å)	PDB id	Reference
Carbenicillin	N‐S294, OG‐S349, ND2‐N351, OH‐Y409, OG‐S485, OG1‐T487, N‐T487, O‐T487	3OCL	Sainsbury et al. 2
Azlocillin	N‐S294, OG‐S349, ND2‐N351, OH‐Y409, OG‐S485, OG1‐T487, N‐T487, O‐T487, N‐R489	5DF7	This paper
Piperacillin	N‐S294, OH‐Y328, OG‐S349, ND2‐N351, OH‐Y407, OH‐Y409, OG‐S485, OG1‐T487, N‐T487, O‐T487, N‐R489	4KQO	van Berkel et al. 14
Cefoperazone	N‐S294, OH‐Y328, OG‐S349, ND2‐N351, OH‐Y409, OG‐S485, OG1‐T487, N‐T487, O‐T487, N‐R489, OH‐Y532	5DF8	This paper
Ceftazidime	OE2‐E291, N‐S294, OG‐S349, ND2‐N351, NZ‐K484, OG‐S485, OG1‐T487, N‐T487, O‐T487, N‐R489, O‐R489, NH1‐R489	3OCN	Sainsbury et al. 2
Aztreonam	OE1‐E291, N‐S294, OG‐S349, ND2‐N351, S485, NZ‐K484, OG1‐T487, N‐T487, O‐T487, NE‐R489	3PBS	Han et al. 8
ACA	OG‐S294, OG‐S349, ND2‐N351, OH‐Y409, OG‐S485, OG1‐T487, O‐T487, N‐R489, OH‐Y532, N‐G535	5DF9	This paper
(5S)‐PA	OG‐S294, OG‐S349, ND2‐N351, OH‐Y407, OH‐Y409, OG‐S485, OG1‐T487, N‐T487, O‐T487, N‐R489, N‐G535	4KQR	van Berkel et al. 14